Tsuna, a timid junior high student, is a failure at school, sports, and social life. But everything around Tsuna has been completely changed when a baby called Reborn, who claims to be an Italian hit man from Vongola family shows up! Reborn was sent to groom Tsuna for his future life as a mafia boss of the family!
A strange infant, Reborn, claiming to be a hitman for the Mafia approaches Tsunayoshi "Tsuna" Sawada. To Tsuna's dismay, he has just been chosen to become the next Vongola boss.
Since Reborn's arrival, Tsuna begins to meet new and strange people. One of those people is Hayato Gokudera, a Mafia member who wants to kill Tsuna in order to become the Vongola …
Bianchi is an assassin who believes that love conquers all. So, in order for her love to reach Reborn, she attempts to kill Tsuna to free Reborn's schedule. Meanwhile, a young ass…
A strange girl, Haru, is seen stalking Tsuna. In fact, Haru is actually trying to follow Reborn. In order to "free" Reborn, she tries to drive away Tsuna by force.
Just when Tsuna is adjusting to his new life, his school's delinquent leader, Kyoya Hibari, is now targeting Tsuna. Fortunately for Tsuna, Hibari is more interested in fighting Re…
A strange Chinese infant, I-pin, comes to Japan in order to kill Tsuna.
Tsuna finally meets Kyoko's older brother, Ryohei, but things don't seem to go the way he wanted when Ryohei nags Tsuna to join the boxing club.
Reborn's former student comes to Japan to visit Tsuna; Dino teaches Tsuna what it means to be a Mafia leader.
Tsuna is suddenly stricken with an embarrassing disease. Unfortunately for Tsuna, the only person who can cure it is a doctor who does not like to treat men.
Lambo is given a simple task of giving Tsuna his lunch by Tsuna's mother, but when he bumps into I-pin, who was carrying a box of nitroglycerin, a mix up causes things turn for th…
Tsuna is faced with a dilemma when Haru and Kyoko eat a Gyoza bun that proves fatal to normal people. Even worse, there is only one antidote available.
Reborn strengthens the abilities of Gokudera and Yamamoto through specially made "training programs", which appears to be more than an exercise course. When he discovers that Rebo…
It's New Years and Tsuna and his 'family' has to battle the Chiavorone Family in a traditional Vongola event. Although, the losing family has to pay a price of 100,000,000 Yen.
Tsuna goes to the zoo with Kyoko, and is glad to finally able to be alone with her. Tsuna's ideal "date" does not go as planned, however, as he runs into his friends in the zoo, w…
All of Tsuna's friends show up at school during winter to help him babysit I-pin and Lambo. Although, in a turn of events, everyone besides Tsuna seems to just want to have a snow…
When Reborn drops Tsuna and his friends off on an isolated mountain, he and others become lost in the wilderness of the mountain.
Tsuna is recovering from his wounds from the previous episode and discovers that recovering in peace and quiet isn't possible with not only his friends visiting, but the fact that…
It's Valentine's Day Kyoko and Haru are at Tsuna's house to make some chocolate, only to his horror to find that they are being helped by Bianchi. Tsuna and his friends have to fi…
A small kid named Futa bumps into Tsuna. What Tsuna is not aware of is that Futa is a Mafia informant, whose "rankings" are 100% accurate, and this makes him a widely sought-after…
One by one, students at Namimori High are being targeted by an unknown gang. It seems that some of those targets are some of Tsuna's friends, and he has to stop the unknown gang b…
After a battle between Gokudera and Chikusa, one of the gang members; Tsuna, Yamamoto, Gokudera, Bianchi, and Reborn set off to capture and defeat the mysterious gang from Kokuyo,…
After a quick battle between Bianchi and M.M., Haru and Kyoko have been targeted by the serial killer twins Jiji and Didi under Birds' order. Threatening to kill off the girls, Bi…
With Tsuna running after Futa, the others are left to deal with the one claiming to be Mukuro himself. He proves to be too much for them in the state they are in, so all hope lies…
With the reveal that their foe wasn't the real Mukuro, everyone breaks into the Kokuyo Middle School building to face the true mastermind. With no Dying Will, Gokudera having to f…
Even after his apparent death, Mukuro still isn't finished as he possesses the bodies of everyone his hit with his trident. There seems to be no way for Tsuna to win with everyone…
With the new Rebuke Bullet, Tsuna has reached a new level of power, but it still may not be possible to defeat Mukuro, who still has not revealed his strongest form.
After the defeat of Mukuro, life goes on normally and Tsuna and his friends all move up a grade at school. However, none of them are in the same class, so Reborn offers them a cha…
A burglar comes into Tsuna's room at night, with Tsuna fainting from fear, only to wake up in the morning to find him dead. Everyone must find a way to hide the body or else go to…
Kyoko's friend Hana is infatuated with Future Lambo and blackmails Tsuna into letting her meet him by threatening to tell Kyoko that Haru is his girlfriend. When Lambo uses the Te…
Reborn invites Tsuna and his mom to a vacation resort, but they first have to ride on a cruise ship to get there. Once on the ship, Tsuna spots some of his friends, who all boarde…
At Mafia Island, Tsuna fails to prove his identity as the Vongola Family's 10th boss, and is transported to the back of the island where he is given a new chance to prove himself.…
Tsuna has to swim 15m in school, but being unable to swim, he is trained by Yamamoto, Gokudera and Haru in the public pool. Everyone has his own method, and they decide to compete…
To pay off the damage caused in the previous episode, Tsuna works as a lifeguard with Ryohei, only for them and the other boys to be challenged to a swimming race by older lifegua…